<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Message Notification</title>
  <style>
    .notification {
      display: flex;
      align-items: center;
      background-color: #f5f5f5;
      padding: 10px;
      border-radius: 5px;
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
      font-family: Arial, sans-serif;
      max-width: 300px;
      margin: 20px auto;
    }

    .message {
      margin-right: 10px;
      font-weight: bold;
    }

    .count {
      background-color: red;
      color: white;
      border-radius: 50%;
      padding: 5px 10px;
      font-size: 0.9em;
    }
  </style>
</head>
<body>
  <div class="notification">
    <span class="message">You have new messages!</span>
    <span class="count">5</span>
  </div>
</body>
</html>